80377444

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 172368000

約数和(自身を除く): 91990556

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 79, 98, 116, 158, 179, 196, 203, 316, 358, 406, 553, 716, 812, 1106, 1253, 1421, 2212, 2291, 2506, 2842, 3871, 4582, 5012, 5191, 5684, 7742, 8771, 9164, 10382, 14141, 15484, 16037, 17542, 20764, 28282, 32074, 35084, 36337, 56564, 64148, 72674, 98987, 112259, 145348, 197974, 224518, 254359, 395948, 410089, 449036, 508718, 692909, 820178, 1017436, 1385818, 1640356, 2771636, 2870623, 5741246, 11482492, 20094361, 40188722, 80377444]

約数ペア:

[(1, 80377444), (2, 40188722), (4, 20094361), (7, 11482492), (14, 5741246), (28, 2870623), (29, 2771636), (49, 1640356), (58, 1385818), (79, 1017436), (98, 820178), (116, 692909), (158, 508718), (179, 449036), (196, 410089), (203, 395948), (316, 254359), (358, 224518), (406, 197974), (553, 145348), (716, 112259), (812, 98987), (1106, 72674), (1253, 64148), (1421, 56564), (2212, 36337), (2291, 35084), (2506, 32074), (2842, 28282), (3871, 20764), (4582, 17542), (5012, 16037), (5191, 15484), (5684, 14141), (7742, 10382), (8771, 9164)]